THE FIVE SONS OF JUDAH, FROM Genesis 38.
(3) The daughter of Shua the Canaanitess. — Shua was the father of Judah’s wife.
Er, the firstborn of Judah, was (became, proved) evil. — Word for word from Genesis 38:7. Suppressing other details relating to the sons of Judah, the chronicler copies this statement intact from Genesis, because it thoroughly harmonises with the moral he wishes to be drawn from the entire history of his people.